He tile

He tile has the shape of an isosceles triangle, the base of which is 4 cm long and the corresponding height is 6 cm long. At least how many tiles are needed to cover a wall containing 2.4 m ^ 2

Correct answer:

n =  2000

Step-by-step explanation:

a=4 cm v=6 cm S=2.4 m2 cm2=2.4 10000  cm2=24000 cm2  S1=2a v=24 6=12 cm2  n=S/S1=24000/12=2000

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